Sn
[计] 顺序号\\n[医] 锡(50号元素)
✅ 同义词
🗣️ 情景例句
but I'm restless.
但我闲不住。
Punctuality is the soul of business.
严守时间是办事情的重要原则。
and shows no signs at present of ceasing to rise.
并且目前尚无停止上升的迹象，